Illinois ranks #7 among US states for total patents filed in 2023, with 16,290 patents from 8,683 inventors across 538 cities. On a per-capita basis that is 1.3 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.
Top Cities in Illinois 2023
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Chicago, IL | 3,065 | 1,755 |
| #2 | Champaign, IL | 669 | 181 |
| #3 | Bloomington, IL | 633 | 229 |
| #4 | Naperville, IL | 532 | 329 |
| #5 | Evanston, IL | 442 | 268 |
| #6 | Peoria, IL | 315 | 186 |
| #7 | Normal, IL | 249 | 73 |
| #8 | Urbana, IL | 238 | 134 |
| #9 | Palatine, IL | 220 | 120 |
| #10 | Arlington Heights, IL | 217 | 119 |
| #11 | Lake Forest, IL | 213 | 44 |
| #12 | Northbrook, IL | 201 | 88 |
| #13 | Aurora, IL | 178 | 113 |
| #14 | Libertyville, IL | 176 | 102 |
| #15 | Savoy, IL | 166 | 26 |
| #16 | Glenview, IL | 166 | 98 |
| #17 | Rockford, IL | 162 | 90 |
| #18 | Vernon Hills, IL | 162 | 86 |
| #19 | Schaumburg, IL | 153 | 99 |
| #20 | Buffalo Grove, IL | 153 | 111 |
| #21 | Hoffman Estates, IL | 149 | 65 |
| #22 | Dunlap, IL | 147 | 78 |
| #23 | Wheaton, IL | 134 | 82 |
| #24 | Lisle, IL | 132 | 69 |
| #25 | Crystal Lake, IL | 128 | 62 |